one of the toughest drunk driving laws in north america goes into effect today in canada's british columbia. first-time offenders could face criminal charges and up to $4,000 in fines and fees if they refuse a breathalyzer test. >>> the u.n. general assembly meets today with representatives from 192 countries expected. one big topic, worldwide poverty. >>> lady gaga is among the activists today demanding a repeal of the military's don't ask, don't tell policy. they will rally in portland, maine. >>> finally this half hour, turning off the lights. this week we say good-bye to a symbol of american ingenuity, the incandescent lightbulb. >> ge will literally stop making the old-style bulbs to make way for more efficient ones. jeremy hubbard sheds a little light on the story. >> reporter: the bright idea that illuminated the world is reaching a less than glowing end. this week, ge is shuttering this plant in winchester, virginia, its last u.s. factory producing plain old incandescent lightbulbs. new energy standards will all but ban the bulbs over the next four years, forcing millions to switch